Shoe upper



FIG. 1 is a left hand view of a grinding shoe upper showing my newdesign;

FIG. 2 is a right hand view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a top plan view thereof.

The broken line showing the sole in FIG. 2 is for illustrative purposesonly and forms no part of the claimed design.

The ornamental design for a shoe upper, as shown and described.